Spectrex Series 300 Open-Path Gas Detection System - Manual (Page 37)

Spectrex Inc. - SafEye TM 300 Gas Detector Manual – TM 794100, Rev. D, May 2004
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5.4.4 Detector / Source Installation (Figure No. 7 and 8)
1. Place the Tilt Mount holding plate (Item 1) in its designated location and
secure it with (4) fasteners through four (4) holes dia. 8.5mm.
2. Install the Detector Base Assy. (Item 2) on the Tilt Mount use cap socket
screw (Item 3) and Spring Washer (Item 4).
Notes:
1
Skip steps 1 and 2 if the Tilt Mount is already installed.
2 Detector removal for maintenance purpose does not require Tilt
Mount removal
3. Place the detector, with its conduit/cable inlets pointing downwards on the
detector base assy. of the Tilt Mount (Item 2). Secure the detector with
four 1/4”- 20 UNC - 3A x 1/2” screw with No. 1/4” spring washers to the Tilt
Mount. Use 1/4” Hex Key for 3/16” screw.
4. Repeat 1 - 2 to install the Source
5.5 Mounting for Duct Installation
The following instructions are applicable for both the Source unit and the
Detector unit.
The detector may be mounted on a special Duct Mount. The Duct Mount enables
the detector to be rotated up to ±3 degrees in the X-Y directions in order to
provide fine alignment.
For duct installation use Duct Mount P/N 794716.
The Duct Mount Kit supplied with the item listed in Table 17 as follows:
Table 17. Duct Mount Kit
Item Qty
Duct Mount Set 1
Open & closed Wrench No. 10 key 1 per installation
Closed No. 10 Key 1 per installation
5.5.1 Duct Mount Set (Figure 10, 11)
The Duct Mount set consists of Fitting Plates, Sealing Rings, Windowed plate,
and securing elements combined with appropriate screws and nuts. It provides a
reliable attachment of the detector to the air intake as well as good sealing and
accurate alignment capability.